Remove redundancy in source map entries.

tests/compiler/dart2js/source_map_d2js_validity_test.dart

Index: tests/compiler/dart2js/source_map_d2js_validity_test.dart
diff --git a/tests/compiler/dart2js/source_map_d2js_consistency_test.dart b/tests/compiler/dart2js/source_map_d2js_validity_test.dart
similarity index 92%
rename from tests/compiler/dart2js/source_map_d2js_consistency_test.dart
rename to tests/compiler/dart2js/source_map_d2js_validity_test.dart
index 4b252016e1a2c1ab052e683d645da148c938b72c..cbc5ed838324d49976b3d9501b645b9c935ea47c 100644
--- a/tests/compiler/dart2js/source_map_d2js_consistency_test.dart
+++ b/tests/compiler/dart2js/source_map_d2js_validity_test.dart
@@ -4,9 +4,10 @@
 
 import 'dart:async';
 import 'dart:io';
+
 import 'package:async_helper/async_helper.dart';
 
-import 'source_map_consistency_helper.dart';
+import 'source_map_validator_helper.dart';
 import '../../../sdk/lib/_internal/compiler/implementation/dart2js.dart' as entry;
 
 void main() {
@@ -19,7 +20,7 @@ void main() {
       return result.then((_) {
         Uri uri =
             new Uri.file('${tmpDir.path}/out.js', windows: Platform.isWindows);
-        checkConsistency(uri);
+        validateSourceMap(uri);
 
         print("Deleting '${tmpDir.path}'.");
         tmpDir.deleteSync(recursive: true);